Home / 5,216.43-7,820.19-2,292.48

Finding the Fourth Proportional to 5,216.43, 7,820.19 and 2,292.48

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Solution

The fourth proportional to 5,216.43, 7,820.19 and 2,292.48 is: 3,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.43 : 7,820.19 = 2,292.48 : x
  2. Step 2: Convert to fraction form
    5,216.43/7,820.19 = 2,292.48/x
  3. Step 3: Cross multiply
    5,216.43x = 7,820.19 × 2,292.48
  4. Step 4: Simplify right side
    5,216.43x = 17,927,629.17
  5. Step 5: Solve for x
    x = 17,927,629.17/5,216.43
  6. Step 6: Final answer
    x = 3,436.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.